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Reports suspicious usages of <code>Collection</code> or <code>Iterable</code> in vararg method calls.
<p>For example, in the following method:</p>
<pre><code>
  &lt;T&gt; boolean contains(T needle, T... haystack) {...}
</code></pre>
<p>a call like</p>
<pre><code>
  if(contains("item", listOfStrings)) {...}
</code></pre>
<p>looks suspicious as the list will be wrapped into a single element array.
  Such code can be successfully compiled and will likely run without
  exceptions, but it's probably used by mistake.</p>
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<p><small>New in 2019.2</small></p>
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